CN207048927U - Vacuum suction device - Google Patents
Vacuum suction device Download PDFInfo
- Publication number
- CN207048927U CN207048927U CN201720376945.2U CN201720376945U CN207048927U CN 207048927 U CN207048927 U CN 207048927U CN 201720376945 U CN201720376945 U CN 201720376945U CN 207048927 U CN207048927 U CN 207048927U
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- piston
- cylinder barrel
- annular groove
- air extraction
- groove
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Abstract
It the utility model is related to vacuum suction device, including cylinder barrel and the piston that is slidably matched in cylinder barrel with the cylinder barrel；The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the piston；The bleeding point connects with the air extraction space；The outer wall of the piston is provided with annular groove, and sealing ring is provided with the annular groove；Gas outlet, the change connected in star that the gas outlet is included in the outlet groove formed on the side of the annular groove and formed on the bottom surface of the annular groove are provided with the side of the annular groove and bottom surface；When pressing down on the cylinder barrel, sealing ring is connected to the deformation groove variations, gas outlet with air extraction space, and gas is released；When the cylinder barrel moves up, sealing ring reclines the top surface of annular groove, the thus clearance seal by the inwall of the outer wall of piston and cylinder barrel therebetween, while gas bleeding from container.The utility model is light compact, practical and convenient, cheap.
Description
Technical field
Vacuum suction field is the utility model is related to, relates more specifically to a kind of vacuum suction device.
Background technology
During the preservation of present food and medicinal material, in order to avoid food and medicinal material and the gas in air, particulate matter
Or bacterium contacts and putrid and deteriorated situation occurs, generally require that food will be preserved and the container of medicinal material carry out vacuumize process,
Air, particulate matter and the bacterium that can be removed first in container are so done, these materials can be avoided to be contacted with food or medicinal material；
Secondly, even if the air, particulate matter or the bacterium that have part to remain, do not have when these materials are causing food or medicinal material corruption yet
Enough air or other depleting substances, so as to contain the corruption of food or medicine.
The currently used method vacuumized has two kinds, and one kind is to dissipate air using heating, then seals container,
The air pressure in container can be just set to be far smaller than external pressure after cooling, this mode can make shape in container to a certain extent
Into negative pressure, but its negative pressure is not very big, it is impossible to which container needs when thoroughly avoiding the corruption of food or medicinal material, also, heating
Bear high temperature, the food and medicinal material in container will also bear high temperature, and the article for that should not bear high temperature is to handle
's.Another kind is that container is vacuumized using vavuum pump, and the ability that vavuum pump vacuumizes is strong and applied widely, still,
The price of vavuum pump is higher, and volume, weight are all larger.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of light cheap vacuum suction device.
For reach above-mentioned purpose, vacuum suction device of the present utility model, including cylinder barrel and in cylinder barrel with the cylinder barrel
The piston being slidably matched；The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the piston；The pumping
Mouth connects with the air extraction space；
The outer wall of the piston is provided with annular groove, and sealing ring is provided with the annular groove, for the outer wall in the piston
With the sealing of the inwall of the cylinder barrel therebetween；Gas outlet, the outlet are provided with the side of the annular groove and bottom surface
The change connected in star that mouth is included in the outlet groove formed on the side of the annular groove and formed on the bottom surface of the annular groove；When
When being evacuated, the sealing ring reclines the top surface of the annular groove, thus by the outer wall of the piston and the inwall of the cylinder barrel
Therebetween clearance seal；When being exhausted, the sealing ring is to the deformation groove variations so that gas outlet and pumping
Space connects and realizes exhaust.
Further, the bleeding point includes being arranged on open cavity of the piston away from cylinder barrel one end, the opening
The open side of cavity is provided with sealing gasket, and the bottom of the open cavity has the passage connected with the air extraction space.
Further, it is provided with back-moving spring between one end and piston away from the piston of the cylinder barrel；The pumping
The bottom in space is provided with bolt hole, and the one end of the cylinder body away from piston is provided with tapped blind hole, worn in the bolt hole
Limited location bolt, the caging bolt coordinate with the tapped blind hole；Nut and the open cavity when the caging bolt
Bottom contact when, the spring is in former long status.
Further, the side of the piston towards the air extraction space is provided with spring groove, the bottom plate court of the cylinder barrel
The side of the air extraction space is provided with spring groove, the both ends of the back-moving spring are separately positioned on the spring groove and cylinder of piston
In the spring groove of cylinder.
Further, the piston exterior is provided with outer cover.
The utility model docks with the check valve of the outside conducting of the air outlet slit of container when in use, by bleeding point, when
When compression piston and cylinder barrel, cylinder barrel is that the sealing ring brings a downward frictional force, and sealing ring becomes to the change connected in star
Shape, gas outlet are connected with air extraction space, and gas is released；When the cylinder barrel moves up, cylinder barrel is that the sealing ring brings one
Individual upward frictional force, the sealing ring recline the top surface of the annular groove, thus by the outer wall of the piston and the cylinder barrel
The clearance seal of inwall therebetween, while gas bleeding from container is to air extraction space.Above-mentioned action repeatedly, it will can hold
Air in device is extracted out, makes to form vacuum in container.Vacuum suction device of the present utility model relies solely on piston, cylinder barrel and close
The interaction of seal can be realized as vacuumizing, cheap；The part of vacuum suction device of the present utility model is few, volume
It is small, it is easy to carry, it is practical and convenient.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of preferred structure of the utility model vacuum suction device.
Fig. 2 is the structural representation of the cooperation of the piston and sealing ring in Fig. 1.
Fig. 3 is Fig. 2 F-F sectional views.
Fig. 4 is the top view of the piston in Fig. 1.
Reference：1- cylinder barrels；2- pistons；21- outlet grooves；22- becomes connected in star；23- passages；3- sealing rings；4-
Sealing gasket；5- outer covers；6- back-moving springs；7- caging bolts.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
As Figure 1-4, the present embodiment provides a kind of vacuum suction device, including cylinder barrel 1 and in cylinder barrel 1 with cylinder barrel 1
The piston 2 being slidably matched；Cylinder barrel 1 surrounds an air extraction space with piston 2；Bleeding point is provided with piston 2；Bleeding point and pumping
Space connects；
The outer wall of piston 2 is provided with annular groove, and sealing ring 3 is provided with annular groove, for the outer wall and cylinder barrel 1 in piston 2
The sealing of inwall therebetween；Gas outlet is provided with the side of annular groove and bottom surface, gas outlet is included on the side of annular groove
The outlet groove 21 of formation and the change connected in star 22 formed on the bottom surface of annular groove；When compression piston 2 and cylinder barrel 1, cylinder barrel 1
A downward frictional force is brought for sealing ring 3, sealing ring 3 deforms to connected in star 22 is become, and gas outlet connects with air extraction space；When
When cylinder barrel 1 moves up, cylinder barrel 1 is that sealing ring 3 brings a upward frictional force, and sealing ring 3 reclines the top surface of annular groove, thus
By the clearance seal of the inwall of the outer wall of piston 2 and cylinder barrel 1 therebetween.
Bleeding point includes being arranged on open cavity of the piston 2 away from the one end of cylinder barrel 1, and the open side of open cavity is provided with close
Packing 4, the bottom of open cavity are provided with the passage 23 connected with air extraction space.
Cylinder barrel 1 is provided with back-moving spring 6 between one end and piston 2 away from piston 2；The bottom of air extraction space is provided with spiral shell
Keyhole, the one end of cylinder body away from piston 2 are provided with tapped blind hole, and caging bolt 7, caging bolt 7 and spiral shell are equipped with bolt hole
Line blind hole coordinates；When the nut of caging bolt 7 contacts with the bottom of open cavity, spring is in former long status.
The side of piston 2 towards air extraction space is provided with spring groove, and the bottom plate of cylinder barrel 1 is set towards the side of air extraction space
There is spring groove, the both ends of back-moving spring 6 are separately positioned in the spring groove of piston 2 and the spring groove of cylinder barrel 1.
Piston exterior is provided with outer cover, as decoration.
The present embodiment docks with the check valve of the outside conducting of the air outlet slit of container when in use, by bleeding point, works as pressure
When contracting piston 2 and cylinder barrel 1, cylinder barrel 1 is that sealing ring 3 brings a downward frictional force, and sealing ring 3 deforms to connected in star 22 is become,
The outlet groove 21 of gas outlet connects with air extraction space, and the gas in air extraction space is via outlet groove 21, change connected in star 22, work
The gap between gap, cylinder barrel 1 and outer cover 5 between plug 2 and cylinder barrel 1 drains into the external world；When cylinder barrel 1 moves up, cylinder barrel 1 is
Sealing ring 3 brings a upward frictional force, and sealing ring 3 reclines the top surface of annular groove, thus by the inwall of cylinder barrel 1 and piston 2
Clearance seal between outer wall, while gas bleeding from container.Above-mentioned action repeatedly, the air in container can be extracted out,
Make to form vacuum in container.The vacuum suction device of the present embodiment relies solely on the interaction of piston 2, cylinder barrel 1 and sealing ring 3
It can be realized as vacuumizing, it is cheap；The part of the vacuum suction device of the present embodiment is few, small volume, is easy to carry, practical
It is convenient.
Bleeding point could be arranged to 1,2 or multiple, such as 3,4, can be set according to actual conditions.
Because the present embodiment is provided with spring, when being pressed downward cylinder barrel 1 with hand, gas is released, after unclamping hand, the elastic force of spring
Can pop up cylinder barrel 1, when cylinder barrel 1 pops up, meeting gas bleeding from container, after the motion of cylinder barrel 1 stops, then
Secondary pressing cylinder barrel 1, so repeatedly, can be by vacuum state in container.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (5)
- A kind of 1. vacuum suction device, it is characterised in that：The piston being slidably matched including cylinder barrel and in cylinder barrel with the cylinder barrel； The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the piston；The bleeding point and the pumping are empty Between connect；The outer wall of the piston is provided with annular groove, and sealing ring is provided with the annular groove, for the outer wall in the piston and institute State the sealing of the inwall of cylinder barrel therebetween；Gas outlet, the gas outlet bag are provided with the side of the annular groove and bottom surface The change connected in star for including the outlet groove formed on the side of the annular groove and being formed on the bottom surface of the annular groove；Work as progress During pumping, the sealing ring reclines the top surface of the annular groove, thus by both the inwall of the outer wall of the piston and the cylinder barrel Between clearance seal；When being exhausted, the sealing ring is to the deformation groove variations so that gas outlet and air extraction space Connect and realize exhaust.
- 2. vacuum suction device according to claim 1, wherein the bleeding point includes being arranged on the piston away from cylinder The open cavity of cylinder one end, the open side of the open cavity are provided with sealing gasket, and the bottom of the open cavity has and institute State the passage of air extraction space connection.
- 3. vacuum suction device according to claim 1, wherein the one end of the cylinder barrel away from the piston and piston it Between be provided with back-moving spring；The bottom of the air extraction space is provided with bolt hole, and the one end of the cylinder barrel away from piston is provided with Tapped blind hole, caging bolt is equipped with the bolt hole, and the caging bolt coordinates with the tapped blind hole；When described spacing When the nut of bolt contacts with the bottom of the open cavity, the spring is in former long status.
- 4. vacuum suction device according to claim 3, wherein the piston is set towards the side of the air extraction space There is spring groove, the side of bottom plate towards the air extraction space of the cylinder barrel is provided with spring groove, the both ends of the back-moving spring It is separately positioned in the spring groove of piston and the spring groove of cylinder barrel.
- 5. vacuum suction device according to claim 1, wherein the piston exterior is provided with outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376945.2U CN207048927U (en) | 2017-04-11 | 2017-04-11 | Vacuum suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376945.2U CN207048927U (en) | 2017-04-11 | 2017-04-11 | Vacuum suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207048927U true CN207048927U (en) | 2018-02-27 |
Family
ID=61489895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720376945.2U Active CN207048927U (en) | 2017-04-11 | 2017-04-11 | Vacuum suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207048927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949037A (en) * | 2017-04-11 | 2017-07-14 | 陈林 | Vacuum suction device |
-
2017
- 2017-04-11 CN CN201720376945.2U patent/CN207048927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949037A (en) * | 2017-04-11 | 2017-07-14 | 陈林 | Vacuum suction device |
| CN106949037B (en) * | 2017-04-11 | 2019-06-18 | 陈林 | Vacuum suction device |
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